<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style>
        #images{
            width: 100%;
        }
    </style>
</head>
<body>
  <button id="btn">open new window</button>
  <button id="btn2">open web page</button>
  <button id="btn3">open son window</button>
  <button id="btn4">open a picture</button>
  <button id="btn5">save a file</button>

  <button id="btn6">open a dialog</button>
  <button id="btn7">open a notification</button>

  <p id="code">66668888</p>
  <button id="btn8">copy</button>

  <div id="mytext"></div>
  <img id="images">
  <video controls width="250">

      <source src="./xb.mp4"
              type="video/webm">
      Sorry, your browser doesn't support embedded videos.
  </video>

  <script src="render/demo2.js"></script>
</body>
</html>
